【資安漏洞預警】微軟Windows作業系統存在多個安全漏洞，請儘速確認並進行更新！

主旨：【資安漏洞預警】微軟Windows作業系統存在多個安全漏洞，允許攻擊者取得權限或遠端執行任意程式碼，請儘速確認並進行更新！

• 內容說明：
  • 轉發 國家資安資訊分享與分析中心 資安訊息警訊 NISAC-ANA-202108-0772。
  • 研究人員發現Windows作業系統存在下列安全漏洞，遠端攻擊者可藉由漏洞取得權限或進而執行任意程式碼。
    1. 遠端執行任意程式碼漏洞：CVE-2021-26424、CVE-2021-34481、CVE-2021-36936及CVE-2021-36947。
    2. 權限提升漏洞：CVE-2021-34483與CVE-2021-36948。
    3. 欺騙漏洞：CVE-2021-36942。
• 影響平台:
  1. CVE-2021-26424、CVE-2021-34481、CVE-2021-34483、CVE-2021-36936及CVE-2021-36947：
     • Windows 7 for 32-bit Systems Service Pack 1
     • Windows 7 for x64-based Systems Service Pack 1
     • Windows 8.1 for 32-bit systems
     • Windows 8.1 for x64-based systems
     • Windows RT 8.1
     • Windows 10 Version 1607 for 32-bit Systems
     • Windows 10 Version 1607 for x64-based Systems
     • Windows 10 Version 1809 for 32-bit Systems
     • Windows 10 Version 1809 for ARM64-based Systems
     • Windows 10 Version 1809 for x64-based Systems
     • Windows 10 Version 1909 for 32-bit Systems
     • Windows 10 Version 1909 for ARM64-based Systems
     • Windows 10 Version 1909 for x64-based Systems
     • Windows 10 Version 2004 for 32-bit Systems
     • Windows 10 Version 2004 for ARM64-based Systems
     • Windows 10 Version 2004 for x64-based Systems
     • Windows 10 Version 20H2 for 32-bit Systems
     • Windows 10 Version 20H2 for ARM64-based Systems
     • Windows 10 Version 20H2 for x64-based Systems
     • Windows 10 Version 21H1 for 32-bit Systems
     • Windows 10 Version 21H1 for ARM64-based Systems
     • Windows 10 Version 21H1 for x64-based Systems
     • Windows 10 for 32-bit Systems
     • Windows 10 for x64-based Systems
     • Windows Server 2008 R2 for x64-based Systems Service Pack 1
     • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
     • Windows Server 2008 for 32-bit Systems Service Pack 2
     • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
     • Windows Server 2008 for x64-based Systems Service Pack 2
     • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
     • Windows Server 2012 Windows Server 2012 (Server Core installation)
     • Windows Server 2012 R2
     • Windows Server 2012 R2 (Server Core installation)
     • Windows Server 2016
     • Windows Server 2016 (Server Core installation)
     • Windows Server 2019
     • Windows Server 2019 (Server Core installation)
     • Windows Server, version 2004 (Server Core installation)
     • Windows Server, version 20H2 (Server Core Installation)
  2. CVE-2021-36942：
     • Windows Server 2008 R2 for x64-based Systems Service Pack 1
     • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
     • Windows Server 2008 for 32-bit Systems Service Pack 2
     • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
     • Windows Server 2008 for x64-based Systems Service Pack 2
     • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
     • Windows Server 2012 Windows Server 2012 (Server Core installation)
     • Windows Server 2012 R2
     • Windows Server 2012 R2 (Server Core installation)
     • Windows Server 2016
     • Windows Server 2016 (Server Core installation)
     • Windows Server 2019
     • Windows Server 2019 (Server Core installation)
     • Windows Server, version 2004 (Server Core installation)
     • Windows Server, version 20H2 (Server Core Installation)
  3. CVE-2021-36948：
     • Windows 10 Version 1809 for 32-bit Systems
     • Windows 10 Version 1809 for ARM64-based Systems
     • Windows 10 Version 1809 for x64-based Systems
     • Windows 10 Version 1909 for 32-bit Systems
     • Windows 10 Version 1909 for ARM64-based Systems
     • Windows 10 Version 1909 for x64-based Systems
     • Windows 10 Version 2004 for 32-bit Systems
     • Windows 10 Version 2004 for ARM64-based Systems
     • Windows 10 Version 2004 for x64-based Systems
     • Windows 10 Version 20H2 for 32-bit Systems
     • Windows 10 Version 20H2 for ARM64-based Systems
     • Windows 10 Version 20H2 for x64-based Systems
     • Windows 10 Version 21H1 for 32-bit Systems
     • Windows 10 Version 21H1 for ARM64-based Systems
     • Windows 10 Version 21H1 for x64-based Systems
     • Windows Server 2019
     • Windows Server 2019 (Server Core installation)
     • Windows Server, version 2004 (Server Core installation)
     • Windows Server, version 20H2 (Server Core Installation)
• 建議措施:
  • 目前微軟官方已針對這些漏洞釋出更新程式，請各機關聯絡維護廠商或參考以下網址進行更新：
    1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26424
    2. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481
    3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34483
    4. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36936
    5. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36942
    6. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36947
    7. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36948
• 參考資料:
  1. https://thehackernews.com/2021/08/microsoft-releases-windows-updates-to.html
  2. https://www.ithome.com.tw/news/146135
  3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26424
  4. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481
  5. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34483
  6. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36936
  7. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36942
  8. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36947
  9. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36948

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